mirror of
https://github.com/apache/superset.git
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7e4c940314
Co-authored-by: John Bodley <john.bodley@airbnb.com>
125 lines
4.5 KiB
Python
125 lines
4.5 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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import json
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import os
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from typing import Any, Callable, Dict, List, Optional
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import celery
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from cachelib.base import BaseCache
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from flask import Flask
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from flask_appbuilder import AppBuilder, SQLA
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from flask_migrate import Migrate
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from flask_talisman import Talisman
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from flask_wtf.csrf import CSRFProtect
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from werkzeug.local import LocalProxy
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from superset.utils.async_query_manager import AsyncQueryManager
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from superset.utils.cache_manager import CacheManager
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from superset.utils.encrypt import EncryptedFieldFactory
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from superset.utils.feature_flag_manager import FeatureFlagManager
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from superset.utils.machine_auth import MachineAuthProviderFactory
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from superset.utils.profiler import SupersetProfiler
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class ResultsBackendManager:
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def __init__(self) -> None:
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self._results_backend = None
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self._use_msgpack = False
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def init_app(self, app: Flask) -> None:
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self._results_backend = app.config["RESULTS_BACKEND"]
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self._use_msgpack = app.config["RESULTS_BACKEND_USE_MSGPACK"]
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@property
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def results_backend(self) -> Optional[BaseCache]:
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return self._results_backend
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@property
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def should_use_msgpack(self) -> bool:
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return self._use_msgpack
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class UIManifestProcessor:
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def __init__(self, app_dir: str) -> None:
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self.app: Optional[Flask] = None
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self.manifest: Dict[str, Dict[str, List[str]]] = {}
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self.manifest_file = f"{app_dir}/static/assets/manifest.json"
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def init_app(self, app: Flask) -> None:
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self.app = app
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# Preload the cache
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self.parse_manifest_json()
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@app.context_processor
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def get_manifest() -> Dict[str, Callable[[str], List[str]]]:
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loaded_chunks = set()
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def get_files(bundle: str, asset_type: str = "js") -> List[str]:
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files = self.get_manifest_files(bundle, asset_type)
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filtered_files = [f for f in files if f not in loaded_chunks]
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for f in filtered_files:
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loaded_chunks.add(f)
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return filtered_files
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return dict(
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js_manifest=lambda bundle: get_files(bundle, "js"),
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css_manifest=lambda bundle: get_files(bundle, "css"),
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)
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def parse_manifest_json(self) -> None:
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try:
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with open(self.manifest_file, "r") as f:
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# the manifest includes non-entry files we only need entries in
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# templates
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full_manifest = json.load(f)
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self.manifest = full_manifest.get("entrypoints", {})
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except Exception: # pylint: disable=broad-except
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pass
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def get_manifest_files(self, bundle: str, asset_type: str) -> List[str]:
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if self.app and self.app.debug:
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self.parse_manifest_json()
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return self.manifest.get(bundle, {}).get(asset_type, [])
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class ProfilingExtension: # pylint: disable=too-few-public-methods
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def __init__(self, interval: float = 1e-4) -> None:
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self.interval = interval
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def init_app(self, app: Flask) -> None:
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app.wsgi_app = SupersetProfiler(app.wsgi_app, self.interval) # type: ignore
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APP_DIR = os.path.dirname(__file__)
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appbuilder = AppBuilder(update_perms=False)
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async_query_manager = AsyncQueryManager()
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cache_manager = CacheManager()
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celery_app = celery.Celery()
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csrf = CSRFProtect()
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db = SQLA()
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_event_logger: Dict[str, Any] = {}
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encrypted_field_factory = EncryptedFieldFactory()
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event_logger = LocalProxy(lambda: _event_logger.get("event_logger"))
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feature_flag_manager = FeatureFlagManager()
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machine_auth_provider_factory = MachineAuthProviderFactory()
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manifest_processor = UIManifestProcessor(APP_DIR)
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migrate = Migrate()
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profiling = ProfilingExtension()
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results_backend_manager = ResultsBackendManager()
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security_manager = LocalProxy(lambda: appbuilder.sm)
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talisman = Talisman()
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